/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 8079136
 * @summary Accessing a nested sublist leads to StackOverflowError
 */

import java.util.Arrays;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Vector;

public class NestedSubList {
    static final int NEST_LIMIT = 65536;
    static int total = 0;
    static int failed = 0;

    public static void main(String args[]) throws Throwable {
        List<Integer> c = Arrays.asList(42);

        test(c, false);
        test(new ArrayList<>(c), true);
        test(new LinkedList<>(c), true);
        test(new Vector<>(c), true);
        test(Collections.unmodifiableList(new ArrayList<>(c)), false);
        test(Collections.unmodifiableList(new LinkedList<>(c)), false);
        test(Collections.unmodifiableList(new Vector<>(c)), false);

        if (failed > 0) {
            throw new RuntimeException(
                    "tests failed: " + failed +
                    " of " + total);
        }
    }

    static void test(List<Integer> list, boolean modifiable) {
        total++;
        Class<?> cls = list.getClass();
        for (int i = 0; i < NEST_LIMIT; ++i) {
            list = list.subList(0, 1);
        }
        try {
            list.get(0);
            if (modifiable) {
                list.remove(0);
                list.add(0, 42);
            }
        } catch (StackOverflowError e) {
            System.out.println("failed for " + cls);
            failed++;
        }
    }
}